[FFmpeg-cvslog] Check for invalid packet size in the smacker demuxer.
Laurent Aimar
git at videolan.org
Tue Sep 13 23:51:46 CEST 2011
ffmpeg | branch: master | Laurent Aimar <fenrir at videolan.org> | Mon Sep 12 20:50:13 2011 +0200| [e055932f5636a82275837968eea9c8fcb5bca474] | committer: Martin Storsjö
Check for invalid packet size in the smacker demuxer.
Signed-off-by: Martin Storsjö <martin at martin.st>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e055932f5636a82275837968eea9c8fcb5bca474
---
libavformat/smacker.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/libavformat/smacker.c b/libavformat/smacker.c
index 2749466..cff1af6 100644
--- a/libavformat/smacker.c
+++ b/libavformat/smacker.c
@@ -304,6 +304,8 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
}
flags >>= 1;
}
+ if (frame_size < 0)
+ return AVERROR_INVALIDDATA;
if (av_new_packet(pkt, frame_size + 768))
return AVERROR(ENOMEM);
if(smk->frm_size[smk->cur_frame] & 1)
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